EP2103397B1 - Ausklappbarer Sägebock mit schwenkbaren, freitragenden Trageelementen - Google Patents

Ausklappbarer Sägebock mit schwenkbaren, freitragenden Trageelementen Download PDF

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Publication number
EP2103397B1
EP2103397B1 EP09003989A EP09003989A EP2103397B1 EP 2103397 B1 EP2103397 B1 EP 2103397B1 EP 09003989 A EP09003989 A EP 09003989A EP 09003989 A EP09003989 A EP 09003989A EP 2103397 B1 EP2103397 B1 EP 2103397B1
Authority
EP
European Patent Office
Prior art keywords
support
saw horse
support beam
support member
saw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP09003989A
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English (en)
French (fr)
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EP2103397A1 (de
Inventor
Darryl W. Huls
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Individual
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B21/00—Hand saws without power drive; Equipment for hand sawing, e.g. saw horses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/06—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of trestle type

Definitions

  • the present invention relates generally to a single saw horse according to the preamble of claim 1.
  • Such a saw horse is known from US 2002 US 2002/0166725 .
  • the present invention further relates to a method of employing the saw horse of claim 1.
  • US 2002/0166 725 A1 discloses a locking foldable saw horse which legs can be locked in an opened position by means of braces and hinged levers.
  • the invention is a folding wash stand comprising three horizontal bars, A, B, and C, each supported at its outer end upon an upright or leg, D, and all, when the device is open, converging toward a common center.
  • leg D described as supporting the outer end of bar A
  • another leg, D' situated near the inner end of said bar, which serves as the central support of the horse when in the position shown in Figs. 1 and 2 .
  • the bars A and. B are beveled at their inner ends, the bevels cut in opposite directions, so as to form, when brought together, a close joint.
  • These bars are joined together by means of hinge E.
  • Bar C is hinged to bar A by means of hinge F, and said bar is provided on its inner end with a V-shaped groove or recess, a, into which the beveled ends of bars A and B enter when the device is expanded for use.
  • a horse of the character described having an extensible leg comprising two sections overlapping each other, means for securing said sections together in different positions of adjustment comprising a clamp embracing both sections and slidable on said leg but operative to lock the two sections together, and a latch carried by one of said sections for holding said clamp in its operative position, said latch being operable to release the clamp.
  • a portable sawhorse comprising, an elongated, inverted substantially U-shaped work-supporting-beam having the side walls thereof provided with opposed sets of spaced integral and inwardly directed wedge draped lugs on their adjacent surfaces near opposite ends of said beam, the lug of each-set nearest to the end of said beam being larger than and located slightly above the other lug of said set, supporting legs pivotally secured to the side walls of said beam above and between the lugs of each set for nesting in the space between the walls and for swinging movement in a plane parallel to the plane of the wall to which the respective legs are secured and into seated position within the space between the lugs of the adjacent set and means cooperable with each pair of opposing legs for positively maintaining the same in spaced condition and in position within their respective seats.
  • a sawhorse having a crossbar and support legs at each end of the crossbar is provided with a workpiece support member supported on the sawhorse at a position laterally offset from the crossbar and at least as high as the crossbar.
  • a second workpiece support member may be arranged on the opposite side of the crossbar and third and fourth workpiece support members may be provided in longitudinally spaced relation from the first and second workpiece support members respectively.
  • the workpiece support members may have flat top surfaces disposed in a common plane situated higher than the crossbar so that a workpiece supported thereon may be cut along a line directed between the workpiece support members and either parallel to or perpendicular to the sawhorse crossbar with both cut portions of the workpiece supported on the workpiece support members.
  • the invention is formed of rectangular metal tubes and "I" beams that are attached to and contained within a main beam. Side mounted tubes swing out and extend tubular members contained within them. "I" beams extend from the main beam and extend channel beams transverse to the longitudinal axis. Through a series of holes and pins the beam extensions and the supporting legs are adjustable over a wide range.
  • a table top attachment for a sawhorse includes a table top member and a brace member.
  • the table top member has a planar top surface and a lower surface that includes a series of tab members that snugly mate with the top beam of a sawhorse in an attached position to prevent the table top member from moving laterally with respect to the top beam and allowing the top beam to support the table top member.
  • the brace member is connected at one end to the table top member along one edge of the table top and at an opposite end to one of the sawhorse side supports. When connected to the sawhorse side support the brace cooperates with the sawhorse top beam to support the table top in the attached position.
  • the portable saw support may be used without a saw as a work table or lumber support surface for use with a hand held drill, circular saw, router, or other power or hand tools.
  • Swing arm supports can support, for example, a plurality of 2".times.10" or 2".times.12" members or lumber laid adjacent one another to provide a large working surface.
  • Each base unit can include an adjustable horizontal end brace or support member which can support one or two 2".times.10" members or boards on the upper surface thereof to form a work surface adjacent the saw or without a saw. Insertion of the 2'.times.6" member into the top of the base unit locks the end brace into position and forms an extension to the right or left of the saw which can extend for 5, 10, 15, 20, or more feet.
  • a saw If a saw is used, it is attached to spaced mounting brackets or supports on a cross-brace is attached to vertical adjustment cross-brace support brackets on the inside of each of the base units.
  • the cross-brace support brackets are adjusted so that the working surface of the saw is raised to the desired level, usually the same height as the 2".times.6" members inserted in the tops of the base units.
  • the invention relates to a worktable mountable on a sawhorse, the sawhorse including two frames articulated to one another along a longitudinal top axis, and a top bar having two side faces extending parallel to the longitudinal axis.
  • the worktable includes a top bar receiving member and at least one work plate articulated thereto, the top bar receiving member including a receiving portion fitted for snugly receiving the top bar and at least one support leg for supporting the at least one work plate at a substantially horizontal position.
  • a collapsible saw-horse is formed of three pairs of pivoted legs A, connected together by cross supports D, and capable of being opened to an adjustable extent and held in position by a chain H fixed to one leg at B and secured to a catch C on one of the other legs.
  • the intermediate pair of legs is nearer to one of the end pairs than to the other, so that short logs can be supported between the two pairs of legs that are near together.
  • a chain H may be used for each pair of legs.
  • a collapsible saw-horse comprising a beam and two frames extending side by side from the underside and longitudinally of the beam, and each forming a pair of legs for supporting the beam.
  • Each frame consists of a single bent tubular member defining two upright leg portions and an intermediate bight portion at the lower end of the leg portions. The upper ends of the leg portions are bent back and inserted within brackets secured to the underside of the beam.
  • One frame is rigidly secured to the brackets by screws extending through the brackets to take a collapsed position parallel to the first frame and an operative beam-supporting position diverging from the first frame.
  • a pair of pivoted toggle arms link the two frames to prevent the pivotable frame from spreading beyond a predetermined limit angle with respect to the fixed frame.
  • a trestle (1) in particular a sawhorse, with a pivot joint (13), with at least two support legs (3, 5) which extend from the pivot joint and which, by means of the pivot joint, can be pivoted relative to one another into a trestle position providing a stable standing position for the trestle on a support base, and with a fixing arrangement (21) by means of which at least one upward pivoting movement of the support legs from said trestle position is blocked, provision is made for at least one of the support legs to be able to pivot upwards with respect to the other support leg about the pivot joint and beyond the trestle position substantially into a horizontal orientation in which the pivoted-up support leg can be set down on, and particularly fastened to, a rest situated higher than the support base.
  • the primary object of the present invention is to provide a workpiece support that is expandable to accommodate various sized workpieces.
  • Another object of the present invention may be to provide a sawhorse having pivotal supports that can be extended or contracted as needed.
  • Yet another object of the present invention may be to provide a sawhorse that is foldable to a planar form.
  • Still yet another object of the present invention may be to provide a sawhorse having a left and right side that are movable with respect to one another.
  • Another object of the present invention may be to provide a sawhorse wherein said left and right sides are correspondingly similar.
  • Yet another object of the present invention may be to provide a sawhorse where the left and right side are hinged approximate the top with a spanner therebetween extending between corresponding legs whereby the saw horse can be unfold to an A-frame configuration.
  • Still yet another object of the present invention may be to provide a sawhorse where the left and right side each have a hinged, cantilevered support member of similar dimension but with shorter legs where the base of the shorter legs are hingedly fastened to a respective sawhorse leg so that it may be pivoted outwardly forming a co-planar support between the saw horse top beam and the pivotal extension top beam.
  • Another object of the present invention may be to provide a sawhorse where either one or both hinged support members can be selectively extended creating a variably dimensioned workpiece support
  • Another object of the present invention may be to provide a sawhorse where the hinged support members and corresponding sawhorse legs have a spanner therebetween whereby the hinged support can be lockingly engaged in the extended position.
  • the present invention overcomes the shortcomings of the prior art by providing a sawhorse according to claim 1.
  • the present invention further provides a method according to claim 11.
  • FIGURE 1 is an illustrative view of the present invention 10 in use. Shown is the user 20 using the present invention 10 to support a workpiece 18.
  • the present invention is a collapsible saw horse 12 with a pair of pivotal cantilevered support members 14 that also have a support beam 16 extending therebetween with the support members 14 hingedly attached to a respective saw horse leg.
  • Said saw horse 12 forming a configurable work piece support by extending one or both of the cantilevered support members 14 thereby having two or three support beams 16 supporting the work piece.
  • FIGURE 2 is a perspective view of the present invention 10 in the folded position.
  • the present invention 10 comprises a saw horse 12 comprising a pair of leg frames 22 having cross beams 22 hingedly 28 connected to each other forming a single support beam 16 with each said cross 14 having a leg 26 extending from the ends thereof.
  • the outer surface 30 of each leg 26 has a cantilevered support member 14 hingedly 28 secured thereto and the support member 14 sits flush against the saw horse 12 when folded into the closed position.
  • Folding hinge spanners 32 are disposed to regulate the distance of separation of the saw horse legs 26 and the support members 14. When in the fully folded position, the present invention 10 may be transported and stored in a compact manner.
  • FIGURE 3 is a perspective view of the present invention 10. Shown is the collapsible saw horse of the present invention 10 in a partially folded position, with the hingedly 28 attached right side and left side legs 26 pivoted apart with folding hinge spanner 32 in a locked position.
  • the support members 14 have extension arms 34 having a proximal end 36 hingedly secured to a mid to lower portion of its respective leg 26 and a distal end 38 with a support beam 16 communicating with the corresponding arm 34.
  • the extension arm support beam 16 is dimensioned and configured to sit flush with that of the saw horse 12 when in the closed position.
  • FIGURE 4 is a perspective view of the present invention 10. Shown is the collapsible saw horse 12 in an open position, having one cantilevered work piece support member 14 extended away from its folded position.
  • the folding hinge spanners 32 determine the angular separation between the saw horse legs 26 and the support member 14 and the respective legs 26.
  • FIGURE 5 is a perspective view of the present invention 10. Shown is the collapsible saw horse 12 in an open position, having both cantilevered work piece support members 14 extended away from its folded position.
  • the folding hinge spanners 32 determine the angular separation between the saw horse legs 26 and the support member 14 and the respective legs 26.
  • FIGURE 6 is a side view of the present invention 10 in the folded position.
  • the present invention 10 comprises a saw horse 12 comprising a pair of leg frames 22 having cross beams 22 hingedly 28 connected to each other forming a single support beam 16 with each said cross 14 having a leg 26 extending from the ends thereof.
  • the outer surface 30 of each leg 26 has a cantilevered support member 14 hingedly 28 secured thereto and the support member 14 sits flush against the saw horse 12 when folded into the closed position.
  • Folding hinge spanners 32 are disposed to regulate the distance of separation of the saw horse legs 26 and the support members 14.
  • FIGURE 7 is a side view of the present invention 10. Shown are the legs 26 of the saw horse 12 in the fully opened position with distance of separation 40 determined by the folding hinge spanner 32 that is in the locked open position. The cantilevered support members 14 remain flush against the legs 26 thus forming a single support beam 16 for use as a conventional saw horse 12.
  • FIGURE 8 is a side view of the present invention 10. Shown are the legs 26 of the saw horse 12 in the fully opened position with distance of separation 40 determined by the folding hinge spanner 32 that is in the locked open position.
  • One support member 14 is locked open to provide two parallel support beams 16 to support a workpiece and the distance of separation 42 between the support member 16 and that of the saw horse 12 is determined by its hinge spanner 32. The other support member 14 remains in the unfolded position.
  • FIGURE 9 is a side view of the present invention 10 with both support members 14 employed to provide three support beams 16 that are assured to be on the same horizontal plane 44 due to the placement and dimensioning of the folding hinge spanners 32 communicating between the support members 14 and their respective saw horse legs 26 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Claims (11)

  1. Einzel-Sägebock (12) zum Tragen von Werkstücken (18) verschiedener Größen in einer horizontalen Ebene (44), wobei der Sägebock (12) umfasst:
    ein Paar gleich aufgebauter und dimensionierter Bein-Rahmen (22), wobei jeder Bein-Rahmen (22) einen länglichen Querträger und ein Bein (26) umfasst, das sich von jedem Ende des Querträgers nach unten erstreckt;
    Scharniere (28), die die Querträger des Bein-Rahmens (22) schwenkbar verbinden und so einen Auflageträger (16) des Einzel-Sägebocks bilden; und
    gekennzeichnet durch
    ein Paar Schwenk-Ausleger-Trageelemente (14), wobei jedes Ausleger-Trageelement (14) einen Trageelement-Auflageträger enthält, der im Wesentlichen parallel zu dem Sägebock-Auflageträger (16) ist und schwenkbar an einem entsprechenden Bein-Rahmen (22) angebracht ist, um zu ermöglichen, dass jeder Trageelement-Auflageträger zwischen einer geschlossenen Position, in der der Trageelement-Auflageträger bündig mit dem Sägebock-Auflageträger (16) ist, und einer offenen Position bewegt wird, in der der Trageelement-Auflageträger von dem Sägebock-Auflageträger (16) beabstandet ist.
  2. Sägebock (12) nach Anspruch 1, wobei jedes der Trageelemente (14) des Weiteren ein Paar Verlängerungsarme (34) umfasst, die sich von den Kanten der Trageelement-Tragearme im Wesentlichen nach unten erstrecken.
  3. Sägebock (12) nach Anspruch 2, wobei die unteren Enden (36) der Verlängerungsarme (34) schwenkbar an der Außenfläche (30) ihrer jeweiligen Bein-Rahmen (22) befestigt sind.
  4. Sägebock (12) nach Anspruch 3, wobei die Trageelemente (14) bündig mit ihrem jeweiligen Querträger des Sägebock-Bein-Rahmens sind, wenn sie sich in der geschlossenen Position befinden.
  5. Sägebock (12) nach Anspruch 4, wobei die Bein-Rahmen (22) getrennt werden können, um einen freistehenden Sägebock (12) für den herkömmlichen Einsatz zu schaffen.
  6. Sägebock (12) nach Anspruch 5, wobei ein Abstand der Trennung (40) zwischen den Beinen (26) der Bein-Rahmen (22) durch die Abmessungen und die Positionierung von Klapp-Gelenkverstrebungen (32) vorgegeben wird, die einander gegenüberliegende Beine (26) verbinden.
  7. Sägebock (12) nach Anspruch 6, wobei das eine Trageelement (14) aufgeklappt wird, um seinen Auflageträger (16) in beabstandeter paralleler Beziehung zu dem Auflageträger (16) des Sägebocks (12) zu positionieren und zwei Auflageträger zu bilden, die ein Werkstück (18) in einer im Wesentlichen horizontalen Position tragen.
  8. Sägebock (12) nach Anspruch 7, wobei die beiden Trageelemente (14) aufgeklappt werden, um ihren Auflageträger in beabstandeter paralleler Beziehung zu dem Auflageträger (16) des Sägebocks (12) zu positionieren und drei Auflageträger zu bilden, die ein Werkstück (18) in einer im Wesentlichen horizontalen Position tragen.
  9. Sägebock (12) nach Anspruch 8, wobei der Abstand der Trennung (42) zwischen dem Auflageträger (16) des Trageelementes (14) und dem Sägebock-Auflageträger (16) durch Klapp-Gelenkstreben (32) vorgegeben wird, die die Verlängerungsarme (34) und die Sägebock-Beine verbinden.
  10. Sägebock (12) nach Anspruch 9, wobei die Positionierung und Dimensionierung der Trageelement-Gelenkstreben (32) und der Trageelemente (14) gewährleisten, dass die Auflageträger (16) der Trageelemente (14) und des Sägebocks (12) alle in der gleichen horizontalen Ebene (44) liegen.
  11. Verfahren zum Verwenden des Sägebocks (12) nach einem der Ansprüche 1 bis 10 zum Einsatz mit einem Werkstück (18), das nacheinander die folgenden Schritte umfasst:
    a) Trennen der Beine des Sägebocks (12);
    b) Arretieren der Klapp-Gelenkstreben (32), die ihre einander gegenüberliegenden Sägebock-Beine verbinden;
    c) Schwenken eines Trageelementes (14), um seinen Auflageträger in beabstandeter paralleler Beziehung zu dem Auflageträger (16) des Sägebocks (12) zu positionieren;
    d) Arretieren der dazugehörigen geklappten Gelenkstrebe (32), um den Auflageträger (16) des Trageelementes (14) in einem vorgegebenen Abstand der Trennung (32) von dem Auflageträger (16) des Sägebocks (12) in einer horizontalen Ebene (44) damit zu sichern;
    e) Schwenken des anderen Trageelementes (14), um seinen Auflageträger in beabstandeter paralleler Beziehung zu dem Auflageträger (16) des Sägebocks (12) und dem Auflageträger des gegenüberliegenden Trageelementes (14) zu positionieren;
    f) Arretieren der zugehörigen geklappten Gelenkstrebe (32), um den Auflageträger des Trageelementes (14) in einem vorgegebenen Abstand der Trennung (42) von dem Auflageträger (16) des Sägebocks (12) auf einem horizontalen Weg damit zu sichern;
    g) Auflegen von Werkstücken (18) über die Auflageträger, wie erforderlich, und Durchführen der anstehenden Aufgabe;
    h) Entfernen des Werkstücks (18) davon;
    i) Entarretieren und Einklappen der Trageelement-Gelenkstreben (32), bis die Trageelemente (14) bündig an dem Sägebock (12) anliegen; und
    j) Entarretieren und Einklappen der Sägebock-Bein-Gelenkstreben (32), bis sich der Sägebock (12) in der vollständig eingeklappten Position befindet.
EP09003989A 2008-03-20 2009-03-19 Ausklappbarer Sägebock mit schwenkbaren, freitragenden Trageelementen Not-in-force EP2103397B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/052,685 US8016079B1 (en) 2008-03-20 2008-03-20 Fold out sawhorse with pivotable, cantilevered support members

Publications (2)

Publication Number Publication Date
EP2103397A1 EP2103397A1 (de) 2009-09-23
EP2103397B1 true EP2103397B1 (de) 2013-03-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09003989A Not-in-force EP2103397B1 (de) 2008-03-20 2009-03-19 Ausklappbarer Sägebock mit schwenkbaren, freitragenden Trageelementen

Country Status (5)

Country Link
US (1) US8016079B1 (de)
EP (1) EP2103397B1 (de)
CN (1) CN101596726A (de)
CA (1) CA2659628A1 (de)
IL (1) IL197676A (de)

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CN110434814B (zh) * 2019-07-23 2024-04-23 金华市亚虎工具有限公司 一种弧形多功能锯凳
CN113891784A (zh) * 2020-02-10 2022-01-04 赫尔曼斯·博阿达股份有限公司 用于电动切割机的折叠底盘的锁定机构
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Also Published As

Publication number Publication date
CA2659628A1 (en) 2009-09-20
US8016079B1 (en) 2011-09-13
EP2103397A1 (de) 2009-09-23
IL197676A (en) 2013-06-27
CN101596726A (zh) 2009-12-09
IL197676A0 (en) 2009-12-24

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